Question

x - y = 4 x + y = 8

Answer 1

\[x - y = 4\]\[ x + y = 8\]

Answer 2

well first isolate one variable to find the answer of x or y

Answer 3

1) add the equations
2) divide both sides by 2
3) plug in the solution you get for x instead of x, and solve for y.

Answer 4

x - y = 4
x + y = 8

The x-coordinate of the solution to the system shown is _____.